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Add IFCAP_LINKSTATE support to if_loop(4).

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Reviewed by:	wollman
Obtained from:	Yandex LLC
MFC after:	3 weeks
Differential Revision:	https://reviews.freebsd.org/D15278
This commit is contained in:
ae 2018-05-09 10:50:51 +00:00
parent 32d7687607
commit 0490c97003
1 changed files with 3 additions and 1 deletions
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4
sys/net/if_loop.c
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@ -136,7 +136,7 @@ lo_clone_create(struct if_clone *ifc, int unit, caddr_t params)
ifp->if_output = looutput;
ifp->if_snd.ifq_maxlen = ifqmaxlen;
ifp->if_capabilities = ifp->if_capenable =
IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6;
IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6 | IFCAP_LINKSTATE;
ifp->if_hwassist = LO_CSUM_FEATURES | LO_CSUM_FEATURES6;
if_attach(ifp);
bpfattach(ifp, DLT_NULL, sizeof(u_int32_t));
@ -413,6 +413,8 @@ loioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
break;
case SIOCSIFFLAGS:
if_link_state_change(ifp, (ifp->if_flags & IFF_UP) ?
LINK_STATE_UP: LINK_STATE_DOWN);
break;
case SIOCSIFCAP: